Q. 34.1( 8 Votes )

In the class intervals 10-20, 20-30, the number 20 is included in
A. 10-20

B. 20-30

C. in each of 10-20 and 20-30

D. in none of 10-20 and 20-30

Answer :

The number 20 is included in class-interval 20 – 30,


Because,


Class interval 20 – 30 contains values, which are either equal to 20 or less than 30.

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